baber/WOPTO huggingface dataset:
Patent GB-275540-A (GB)
Title: Improvements in the production of combed materials, rovings, fine yarns and the like from artificial fibres, such as staple fibres and the like
IPC: D01G1/00
Filed: 1926-10-15
Abstract: 275,540. Niethammer, C. Aug. 9, 1926, [Convention date]. Yarns and treads; processes.- Rovings, yarns, &c. composed of staple fibre, &c. are made by a substantially continuous process in which the bunches of filaments produced by a series of spinning nozzles 2 are combined to form a sliver 1 which is subjected to the necessary treatments such as passage through baths 3 - - 6, rollers 7 for frizzling and curling the filaments, a drying device 8, and a dust-removing apparatus 9; the sliver is then spread out and the filaments straightened as by rollers 10, or by needle rods, then cut into fibres of the appropriate length, and finally passed through drawing apparatus 13 so as finally to produce a roving which can be subjected to the usual spinning process. The cutting knife 12 is preferably inclined to the length of the filaments, e.g. in such a manner that the end of the cut at one side is opposite the end of the next cut in the other side. The drawing devices 13, which may consist of a plurality of rollers, combs, &c. are preferably provided with guiding surfaces or funnels in order to assist the drawing process. A number of slivers may be maintained in parallel relationship during the several treatments to which the material is subjected, being afterwards opened out, and the several slivers cut separately, the knives being inclined and preferably staggered in order that a more perfect sliver may be more easily attained in re-combining the several slivers. Alternatively, when a plurality of knives are employed, these may be arranged transversely to the band but operated in sequence. Before cutting, the sliver may be passed through rollers one of which is finely fluted in order to frizz or end the fibres, and these rollers may be provided with a heating device; or the sliver may be creped by passage over a heated cylinder on to which other cylinders press. For convenience, the run of the sliver may be broken at any point, and the product wound up on bobbins, from which it is subsequently unwound and subjected to the succeeding operations. The Specification as open to inspection under Sect. 91 (3) (a) refers to the passage of the sliver after cutting and before' passage to the drawing rollers, &c. through spinning tubes, &c. by means of which a false twist is given to the bunches of fibres. This subject-matter does not appear in the Specification as accepted.
Patent GB-1148795-A (GB)
Title: Degritting installation
IPC: E03F5/14
Filed: 1967-06-05
Abstract: 1,148,795. Solids/liquid gravity separator. Wet separation. Agitating liquids. JONES & ATTWOOD Ltd. 5 June, 1967 [18 Nov., 19661, No. 25814/67. Headings B1C, BID and B2H. A degritting installation suitable for separating grit and sand from organic material and water comprises a tank 1, a raw water inlet 5, a water/organic material outlet 7, a grit or sand collecting pit 3, a pump for removing grit or sand from pit 3 comprising a suction tube 8 and a pipe 9 feeding compressed air, and a mixing device comprising paddles 14 carried on a rotatable hollow shaft 13 mounted concentrically on tube 8 such that the lower ends of paddles 14 are disposed below the lowest part of outlet 7 when the mixing device is stationary. The cross-sectional area of each paddle 14 may decrease towards the lower end of the paddle. In the embodiment of Fig. 3, means 25 may be a chain, an elastic blade, a cable or a bar, to enable the blades 14 to extend rearwardly with respect to the direction of rotation. The mixing device causes the organic material to remain in suspension.
Patent GB-900605-A (GB)
Title: Current driving circuit
IPC: H03K4/02
Filed: 1960-07-25
Abstract: 900,605. Automatic current control systems. HUGHES AIRCRAFT CO. July 25, 1960 [Dec. 1, 1959], No. 25853/60. Class 38 (4). [Also in Group XL (c)] A circuit for rapidly switching the current levels through an inductive load comprises means for accentuating the transients occurring when the switching voltage controlling the current level changes, the transients being applied to the means for controlling the current through the inductor in such a sense as to increase the rate at which the current therethrough changes upon switching. The circuit comprises a negative feed-back path constituted by resistors 16, 18, a voltage-divider circuit 44 having tappings selected by a switch 46, a transistor 28 and a current-control transistor 24 whereby the value of current to be established in the inductive load 20 may be selected by means of switch 46, while the means for effecting a rapid change in the current through the inductor upon the operation of the switch 46 comprises amplifier means 74 which applies the transients produced upon operation of the switch to the transistor 24 to produce said rapid current change. The inductor 20 may be a magnetizing winding surrounding a ferrite phaseshifter inserted in a waveguide feeding a steerable aerial array. The scan motor 68 steps the movable arm of the switch 46 to successive tapping-points on the voltage divider 58 so that different portions of the voltage of the source 62 are successively applied, together with the feedback voltage across resistor 16, to the base of transistor 28, the bias on the emitter of which is established at a desired level by means of Zener diode 30. The amplified output from across the resistor 38 is applied to current control transistor 24 to establish the current through the inductor at its successive desired values. In addition, the successive voltage levels appearing at the output of voltage-divider circuit 44 are applied to an amplifier 72 and thence to a highpass filter 78, so that positive or negative-going voltage spikes, according to the direction of the switching, are added to the voltage from transistor 28 so that a voltage as shown in Fig. 4 is applied to the base of transistor 24. Positivegoing spikes result in the switching-off of the transistor, thus increasing the impedance in series with the inductor and reducing its time constant so that the current therethrough may be rapidly established at its new value. Negative-going spikes similarly switch off the diode 26 and so increase the impedance to help the establishment of a new current level. The positive spikes switch off diode 34 to prevent damage to the transistor 38.
Patent GB-651815-A (GB)
Title: Improvements in and relating to periscopic sextants
Inventor: KEEBLE JOHN
IPC: G02B23/08
Filed: 1948-10-05
Abstract: 651,815. Periscopes; sextants. KELVIN & HUGHES, Ltd. Oct. 5, 1948, No. 25907. [Classes 97 (i) and 97 (ii)] A sextant having a periscopic tubular sheath 11, Fig. 1, attached to the sextant and housing a tube 12 containing parts of the optical system and having a sighting reflector 13 mounted pivotally within and near the top of the sheath is provided with a long lever 52 for effecting fine adjustment of the reflector and at least one lever 37 or 38, Fig. 2, for coarse adjustment, the coarse adjustment lever having a spring- pressed clutch type of engagement at its upper end with the fine adjustment lever and having a movement pivotally about an axis disposed transversely of its length for disengaging the clutch when coarse adjustment is required. In the embodiment described two such coarse adjustment levers 37, 38 are provided which are connected at their upper ends to pins 40, 41, Fig. 4, passing through holes in a plate 24 carried by the fine adjustment lever 52 and anchored in a plate 20 carrying the reflector 13, the plates being urged together by a spring 29 housed between a bearing-member 25 integral with the plate 24 and a bearing-ring 27 secured to the tube 12 and being locked in engagement by a series of pins 23, Fig. 3, carried by the plate 24 which may engage any of a series of holes 21 in the plate 20. To effect coarse adjustment the knob 50 is moved inwardly towards the instrument, thus rocking through bars 47, 48 the coarse adjustment levers about an axis transverse of the length at their pivot 43 so as to disengage the clutch between plates 20, 24. Subsequent rotation of the knob 50 rotates the plate 20 carrying the reflector 13 and when its approximate position is reached the knob 50 is released, thus locking the fine adjustment lever 52 to the coarse adjustment and hence to the reflector. Fine adjustment is effected by a motor 58 driving a micrometer screw 54 bearing a nut to which the lower end of the lever 52 is attached. Specification 490,621 is referred to.
Patent GB-260013-A (GB)
Abstract: 260,013. Hall, D., Kay, J. H., and Hall & Kay, Ltd. June 17, 1925. Gases, treating with liquids.-An apparatus for automatically controlling humidity has a valve or switch actuated by hydraulic pressure acting on a double-acting piston normally occupying a central position in its cylinder and under the control of an auxiliary valve, itself controlled by a second auxiliary actuated by the condition to be regulated. The Figures show the application of the invention to a pressure regulating valve 5 which is connected by chain and sprocket gearing to rods 8 on the piston 7. The two ends of the cylinder are connected by pipes 11<a>, 12a to a four-way cock 13 having a pressure inlet connection 14 and exhaust connections 19. The cock casing has twin passages 11<b>, 11<c> and 12<b>, 12<c> leading to the pipes 11<a>, 12<a> respectively and the plug has two parallel passages 13b, 13<c> each connected or passages 13d, 13<e> at right angles so that by manipulating the cock the two sides of the piston 7 are alternately connected to pressure and exhaust. The cock 13 is actuated by pressure from a conduit 29 acting on a diaphragm 32 against the action of a spring 33<a>, which diaphragm is connected to the cock by a toothed member 34 engaging a toothed wheel 35. The pressure on the diaphragm 32 is controlled by a valve 26 normally slightly open and actuated against the action of a spring 24a by conduit pressure acting on a diaphragm 23. The pressure supply to the conduits 14 and 29 is derived from an overhead tank fitted with a ball cock and passes through filters 15, 30. The connection for the conduit 14 is made to the bottom of tank while the conduit 29 reaches to a higher level. When used to control humidity the diaphragm is replaced by an hygrometric device or humidstat.
Patent GB-1186205-A (GB)
Title: Improvements in or relating to Numerically Controlled Copying Machine Tools.
IPC: B23Q35/12
Filed: 1967-06-06
Abstract: 1,186,205. Copying lathes. VYZKUMNY USTAV OBRABECICH STROJU A OBRABENI. 6 June, 1967 [14 July, 1966], No. 26029/67. Heading B3T. [Also in Division G3] A numerically controlled copying tool has a feed drive responsive to a copying contact for adjusting the slide rest perpendicular to the working axis and includes a measuring screw which controls the position of the copying contact and is driven from a guide shaft of the slide rest which also drives a measuring device for the worked diameter. As shown, a lathe comprises a headstock V incorporating the drive for a chuck S gripping a workpiece centred by a tailstock K. A cutting tool N is carried by a slide rest KS mounted for vertical movement on a saddle SU. The saddle is driven by a lead screw PSx movement of which is determined by a measuring device OZx. Vertical movement of the slide is effected through a copying contact KD actuated by a nut driven by a measuring screw MS. The screw is driven, Fig. 2 (not shown), through bevel gearing, in a housing T, by a splined or grooved shaft VT. Movement of the shaft VT is sensed by a measuring device OZy. The signals from the measuring devices OZx, OZy are compared with signals derived from a record on a punched or magnetic tape to control driving devices PPx, PPy.
Patent GB-157567-A (GB)
Title: Improvements in the wings and similar members of aircraft
IPC: B64C9/24
Filed: 1919-10-24
Abstract: 157,567. Page, F. H., and Page, Ltd., H. Oct. 24, 1919. Planes and the like, construction and arrangement of; steering, balancing, and regulating altitude.-To prevent " burbling " or eddying of the air above the leading edge of a plane set at a considerable angle of incidence, the plane is formed with a slot 1, or slots 1, 1<x>, extending transversely of the line of flight, and having the opening of each slot on the under surface of the wing in advance of the opening on the upper surface. The slot is formed by mounting in front of the main plane 5 an auxiliary plane 2, or auxliary planes 2, 2x of wing section set at a considerably smaller angle of incidence than the main plane. The auxiliary plane 2 may be adapted to be moved into contact with the main plane 5 in order to close the slot, and for this purpose it may be carried on a number of arms 7 which are connected to the main plane and auxiliary plane by vertical pivots 8, 6 and can be swung transversely of the line of flight in the manner of a parallel ruler linkage by mechanism which can be operated by a hand lever near the aviator. The mechanism may operate simultaneously the auxiliary planes at the two sides of the machine and on the upper and lower planes of a biplane.
Patent GB-482294-A (GB)
Title: Improvements in or relating to apparatus for measuring, indicating and/or recording a value which is a function of differential pressure
IPC: G01F1/38
Filed: 1936-09-25
Abstract: 482,294. Indicating and recording apparatus. ASKANIA-WERKE AKT.-GES. VORM. CENTRALWERKSTATT DESSAU UND C. BAMBERG-FRIEDENAU. Sept. 25, 1936, No. 26117. Convention date, Sept. 25, 1935. [Class 106 (iv)] [Also in Group XXIX] Apparatus for measuring, indicating, and /or recording a value which is a function of differential pressure especially when variations of such pressure are consequent on the variations of the rate of flow of a fluid or the translational speed of a vehicle, of the kind including a relay provided with a follow-up gear, the displacement of a member of which serves as a measure of said differential pressure, said follow-up gear including a loading device following a square law and acting in opposition to the pressure so that an evenly divided scale may be employed, has a linearly movable cam actuated by a screw included in the followup train. The Figure shows the invention applied to the indication of the flow in a conduit. Opposed diaphragms 15, 16 acted on by pressures derived from Pitot tubes 11, 13 arranged in the conduit 10, actuate a lever 20 provided with adjustable stops 21, 22 and coupled by a strut 25 with a three-armed lever 24. This lever which is counterweighted at 31 acts through an adjustable roller 29 on a bell-crank lever 30 to operate a swinging jet tube 28 so as to direct fluid arriving by the conduit 32 into one or other of the tubes 33, 34 leading to a reversible rotary fluid motor 35. This motor rotates a screw 36 carrying a traversing nut 39 fitted with pointers adapted to co-operate with a fixed scale 51 and a clockwork driven recording drum 53. The nut 39 also carries an arm 40 fitted with an adjustable wedge surface adapted to co-operate with a pin 42 on a bell-crank lever 43, one arm of which is connected by a spring 45 with the third arm of the lever 24 while the other arm is loaded by a spring 49 anchored to a fixed point. As the nut moves upward the tension of the spring 45 is increased and the effective radius at which it acts is increased at the same time. The springs 45 and 49 first act together in pressing the pin 42 against the wedge, afterwards the spring 49 opposes the spring 45 so assuring substantially constant contact pressure between the pin and wedge surface.
Patent GB-502968-A (GB)
Title: Improvements in or relating to electron discharge devices for visually indicating voltage
IPC: H01J29/16
Filed: 1937-09-27
Abstract: 502,968. Discharge apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Sept. 27, 1937, No. 26121. Convention date, Sept. 26, 1936. [Class 39 (i)] An electron discharge device for giving visual indication of voltage, such as a tuning indicator for radio receivers, has a straight thermionic cathode 16, an anode 20 adjacent the cathode formed as or including a target 21 of thin metal sheet or foil adapted to become incandescent when bombarded by electrons from the cathode, and a control electrode 17 substantially parallel to the cathode and so arranged that when the anode is at a suitable potential the portion of the target reached by electrons and consequently the size of the incan descent regions produced on the target is an indication of the voltage applied to the control electrode. In the form shown, the cathode 16 is integral with the cathode 13 of an associated amplifying triode, the anode 15 of which is connected to the control electrode 17. The target 21 may be nickel À00005-À00025 in. in thickness formed by plating on a metal base, such as molybdenum, and stripping, or tantalum foil rolled to À00003- À00005 in. The electrode 17 may be a rod or a strip placed edgewise to the cathode, which may be coated with emissive material only on the part opposite the target. The usual circuit is connected to the rectifier load and is arranged so that at resonance the beams passing opposite sides of the control electrode overlap, giving a bright patch on a dull red background. British Specification 481,791 and U.S.A. Specification 2,051,188 are referred to:
Patent GB-331742-A (GB)
Title: Pleating machines
IPC: D06J1/06
Filed: 1929-08-28
Abstract: 331,742. Ezbelent Fils. May 8, 1929, [Convention date]. Pleating.- Relates to a machine in which means are provided to ensure that the covering portion a', b of a pleat shall as shown in Fig. 3 be of the correct size and not as in Fig. 2 be affected by the changing in size of the pleat and consists in the provision of means for obtaining during the complete stroke of the knives a variable throw of a pivot on a link connected to the knives or to the pleat setting drums. The pivot is moved to and from the position of the connection between the knives or pleating drums and the linkage operating same. As shown in Figs. 4 and 7 the knives 2. reciprocate in a slideway 6 in the framing 7. An axle 4 connects the knives to the link 10 moved by links 20, 18, and a cam track 17 from the shaft 16. A cam 15 operates a roller on a spring pressed arm 13 pivoted at 14 and provided at its end with a slide 11 having a slot 11a in which is engaged the link 10, the slide being thereby capable of sliding on the link 10. The slide has an axle 12 pivoted on the arm 13. The throw of the knives is proportional to the distance between the axles 4 and 12 so that the size of pleats is determined by the amplitude of the movement of the slide 11 along the link. This amplitude in turn is determined by the position of stops 23 on a pattern wheel 24, which stops engage stepped surfaces 23 on an extension of the spring pressed arm 13.
Patent GB-851738-A (GB)
Title: Improvements in or relating to agricultural devices
IPC: A01D78/00
Filed: 1957-08-19
Abstract: 851,738. Haymaking machines. VAN DER LELY N. V., C. Aug. 19, 1957 [Aug. 21, 1956], No. 26139/57. Class 6(3). Relates to an implement mounted on a plurality of ground-wheels rotatable about vertical swivel-axes, the frame being provided with two drawbars each intended for towing the implement in a different direction. According to the invention two of the ground-wheels are coupled together for rotation about their swivel axes in opposite directions and are connected to the drawbars so that when one or other of the drawbars swings relatively to the frame in towing the device, the wheels are correspondingly steered. As shown, a side-delivery rake of the oblique rake-wheel type has a frame 1 mounted on three swivel-wheels 2, 3, 4, the wheel 3 being a simple caster and the wheels 2, 4 being mounted on vertical axles 9, 84 connected together by arms 14, 82, links 17, 81 and a pivoted bell-crank 18, 20. Drawbars 11, 85 are secured to the axles 9, 84. The arm 14 is free on the shaft 9 but can be secured to it in various orientations by a locking pin 16 and sector 13. Corresponding adjustment of the other wheel 2 is effected by alternative points of connection 80, 83 between the link 81 and the arms 82, 20. The rake-wheels 25-28 are carried on cranks 36 pivoted on arms 32 which are pivoted at 21-24 on the frame, the arms having rearward extensions such as 45 interconnected by a link 51 so that the rakewheels always remain parallel but can be moved, by longitudinal movement of the link 51, against the action of an over-centre spring 61, into a position wherein they no longer feed crop to one another but operate independently, Fig. 2 (not shown). The device is then drawn in the opposite direction to the arrow V, by the drawbar 11. Each rake-wheel is floatingly carried by a spring 44 suspended from a lever 37 pivoted on the arm 32. A seat 72 is pivoted on a vertical bearing 68 and can occupy two alternative positions corresponding to the directions of traction.
Patent GB-1315570-A (GB)
Title: Striping box drum with adjustable finger-actuating bits
IPC: D04B15/58
Filed: 1971-04-19
Abstract: 1315570 Knitting machines SINGER CO 19 April 1971 [9 April 1970] 26183/71 Heading D1C In an arrangement substantially as described in Specification 1315569 the bits are symmetrical having two similar legs 60, 63 each with a recess and a central recess so that the bits may be pivoted about spring 54 and slid into either position on either side of spring 54, see Figs. 8 and 11 for positions A and C.
Patent GB-986614-A (GB)
Title: Method of treating reinforcing material for rubber
IPC: C08J5/06
Filed: 1961-07-19
Abstract: A composition used for treating fibrous materials, e.g. viscose rayon fibres, to be used to reinforce rubber products comprises an aqueous or organic solvent solution or dispersion of a drying oil or a semi-drying oil and a metal soap having the formula [CH3(CH2)nCO2]2Me in which Me represents a divalent metal and n is an integer of 8-18, the solution or dispersion having a total concentration of oil, and soap of not more than 10% by weight. The oil may be soy bean oil or cotton seed oil and the soap may be cadmium or zinc stearate. The organic solvent may be a mixture of CCl4 and methyl alcohol.  The composition may be used to replace part or all of the oil normally used in oiling the fibrous materials as they are spun, e.g. aqueous compositions comprising a sulphonated petroleum hydrocarbon, modified castor oil derivatives-polyethylene glycol, sodium sorbitan borate and sorbitan monopalmitate.ALSO:Fibrous materials, e.g. viscose rayon fibres, which are to be used to reinforce rubber products, e.g. tires, hoses and conveyer belts, are treated with an aqueous or organic solvent solution or dispersion of a drying oil or a semi-drying oil and a metal soap having the formula [CH3(CH2)nCO2]2Me in which Me represents a divalent metal and n is an integer of 8-18, the solution or dispersion having a total concentration of oil and soap of that, more than 10% by weight, and then dried at 50 DEG -160 DEG C. to free them of water or organic solvent so that their water or organic solvent content is reduced to 15% or less, the dried materials having affixed thereto solids in an amount of not more than 5% by weight.  The treated materials have improved tensile strength, heat resistance and fatigue resistance, and their adhesive properties of rubber are improved.  The oil may be soybean oil or cotton seed oil and the soap may be cadmium or zinc stearate.  The organic solvent may be a mixture of CCl4 and methyl alcohol.  The treating composition may be applied to the fibrous material at the stage of its spinning or subsequently. When applied at the spinning stage it may be incorporated into the finishing agent used for oiling, e.g. an aqueous composition comprising sulphonated petroleum hydrocarbon, modified caster oil derivatives-polyethyleneglycol, sodium sorbitan borate and sorbitan mono palmitate.  The treated materials may be subjected to an adhesive treatment with a resorcin-formaldehyde latex and then incorporated into rubber.